Discover Knack's range of patented expandable bags, perfect for both travel as well as daily commuting. Our collection includes expandable backpacks in various sizes and colors. Whether you’re exploring the world or simply heading to work, a Knack expandable bag adapts to the needs of your day.
11 products
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Series 1: Large Expandable Knack Pack®Series 1: Large Expandable Knack Pack®
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$270.00 - Regular price
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- Sale price
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$270.00
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Series 2: Medium Expandable Knack Pack®Series 2: Medium Expandable Knack Pack®
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$265.00 - Regular price
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- Sale price
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$265.00
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Series 1: Medium Expandable Knack Pack®Series 1: Medium Expandable Knack Pack®
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$235.00 - Regular price
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- Sale price
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$235.00
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Series 2: Large Expandable Knack PackSeries 2: Large Expandable Knack Pack
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$295.00 - Regular price
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- Sale price
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$295.00
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Series 2: Small Expandable Knack Pack®Series 2: Small Expandable Knack Pack®
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$225.00 - Regular price
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- Sale price
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$225.00
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Business Trip Travel Set - Series 1Business Trip Travel Set - Series 1
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$255.00 - Regular price
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$301.00 - Sale price
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$255.00
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Overpacker Travel SetOverpacker Travel Set
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$340.00 - Regular price
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$426.00 - Sale price
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$340.00
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Extended Stay Travel Set S2Extended Stay Travel Set S2
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$320.00 - Regular price
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$366.00 - Sale price
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$320.00
Expandable Travel Bag Collection
Expandable Travel Bag Features
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Expand Your Horizons
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Stay Organized
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Be Compatible

Expandable Bags FAQs
How much extra space do I get when I expand a Knack Pack?
Where is the expansion zipper located on the bag?
Can I lock the expandable compartment for security?
Will expanding the bag change its comfort or carry style?
Testimonials
Ryan
Eric F.
Christine C.
John C.